passlisted in Coinbase#13 by calls of 43 on this host
0.01 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-08-19 03:41 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.01 USDC
- Networks
- 2
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 28 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
x402 audit shares quartermaster.surewhynot.app with 42 other listed endpoints and is tied 13th by calls with 30 others.
Callers of x402 audit supply the query parameter url.
The declared response carries score, bazaar, checks, status, payment, discovery and 2 others.
x402 audit drew a single call from a single payer in the trailing 30 days.
The last call to x402 audit came 28 days before the snapshot, 2026-08-19.
A call to x402 audit costs 0.01 USDC on Base, as declared.
x402 audit takes 1% of the calls counted across quartermaster.surewhynot.app.
For x402 audit the listing declares 2 accepts on Base and Solana, to 2 different wallets.
x402 audit, a GET endpoint on quartermaster.surewhynot.app, appears in the Coinbase registry; TOLL's taxonomy puts it in search.
x402 audit answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
Closest in price to x402 audit within search: discover at svm402.com and exa search at vaaya.ai.
x402 audit is priced above 38% of comparable listings in search.
43 listed endpoints on one host pay to the same wallet.
The seller's tags on x402 audit are x402, audit, payments and bazaar.
337 other listings in search declare exactly the same price.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0x525366…1019cb |
| Coinbase | solana: | USDC | 0.01 USDC | exact | FgcKNzsB…snzXfa |
the checks, as of 2026-09-15 04:29 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 04:29 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:26 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:25 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 06:40 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 10:12 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-08-19 03:41 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"url": "https://api.example.com/paid-endpoint"
}
},
"output": {
"type": "json",
"example": {
"score": 72,
"bazaar": {
"has_metadata": false
},
"checks": [
{
"id": "returns_402",
"label": "Endpoint returns HTTP 402 for unpaid requests",
"status": "pass"
}
],
"status": "warn",
"payment": {
"is_x402": true,
"network": "eip155:8453",
"asset_name": "USDC (Base mainnet)",
"x402_version": 2
},
"discovery": {
"llms_txt": "missing",
"openapi_json": "present",
"well_known_x402": "missing",
"discovery_resources": "missing"
},
"target_url": "https://api.example.com/paid-endpoint",
"recommended_fixes": [
"Declare Bazaar discovery metadata on the route - without it, settlements will NOT list you in the Coinbase Bazaar."
]
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "x402 audit on quartermaster.surewhynot.app", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/quartermaster-surewhynot-app-v1-x402-audit-3c94be/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-quartermaster-surewhynot-app-v1-x402-audit-3c94be-2026-09-15T16-57Z,
author = {TOLL},
title = {x402 audit on quartermaster.surewhynot.app},
howpublished = {\url{https://tollindex.com/e/quartermaster-surewhynot-app-v1-x402-audit-3c94be/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.